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200031123210 = 2356667704107
BaseRepresentation
bin1011101001001011001…
…0001011011100001010
3201010022111211220111220
42322102302023130022
511234130431420320
6231520521102510
720310646331142
oct2722262133412
9633274756456
10200031123210
1177918399566
1232926027a36
1315b2a8c8489
1499782a3922
15530b070e40
hex2e92c8b70a

200031123210 has 16 divisors (see below), whose sum is σ = 480074695776. Its totient is φ = 53341632848.

The previous prime is 200031123199. The next prime is 200031123221. The reversal of 200031123210 is 12321130002.

It is an interprime number because it is at equal distance from previous prime (200031123199) and next prime (200031123221).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200031123210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333852024 + ... + 3333852083.

It is an arithmetic number, because the mean of its divisors is an integer number (30004668486).

Almost surely, 2200031123210 is an apocalyptic number.

200031123210 is an abundant number, since it is smaller than the sum of its proper divisors (280043572566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200031123210 is a wasteful number, since it uses less digits than its factorization.

200031123210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667704117.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200031123210 its reverse (12321130002), we get a palindrome (212352253212).

The spelling of 200031123210 in words is "two hundred billion, thirty-one million, one hundred twenty-three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 6667704107 13335408214 20003112321 33338520535 40006224642 66677041070 100015561605 200031123210